FMF3WSFRE73-20R

Series:	FMF
Packaging:	Tape & Reel (TR)
Part Status:	Active
Resistance:	20 Ohms
Tolerance:	±1%
Power (Watts):	3W
Composition:	Metal Film
Features:	Flame Proof, Safety
Temperature Coefficient:	±50ppm/°C
Operating Temperature:	-55°C ~ 155°C
Package / Case:	Axial
Supplier Device Package:	Axial
Size / Dimension:	0.197" Dia x 0.610" L (5.00mm x 15.50mm)
Height - Seated (Max):	--
Number of Terminations:	2

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Through Hole Resistors - FMF3WSFRE73-20R Application Field and Working Principle

Through hole resistors are among the most basic of electronic components, and are used for a variety of applications. They consist of an insulated body, usually fabricated from plastic, containing the resistive material. The two pins welded to the body of the resistor provide electrical contacts, allowing an electrical connection to the circuit. The FMF3WSFRE73-20R is a 3 watt series resistor. It is designed for use in applications where a high power dissipation is required, such as power supplies and motor controllers.The FMF3WSFRE73-20R is a through-hole resistor designed for high power applications. The resistor is constructed from a heat resistant ceramic body with two silver-plated copper pins that provide the electrical connection. The pins are connected to leads, which can then be soldered to a printed circuit board (PCB) for integration into the circuit. The resistor has a resistance value of 20 ohms, and is rated for a power dissipation of up to 3 watts.The working principle of the FMF3WSFRE73-20R is simple. When a voltage is applied across the terminals of the resistor, current will flow through the resistor, and a proportion of the energy will be dissipated as heat. This heat is then dissipated by the heat sink, which is designed to allow the heat to be transferred away from the resistor. This keeps the temperature of the resistor within safe limits for the particular application.The specific resistance value of the FMF3WSFRE73-20R is determined by the amount of resistive material that is used in its construction. This material is carefully selected to ensure that the resistor can operate at higher power dissipation levels than would be possible with less resistive material. The ceramic body of the resistor also helps to dissipate the heat, allowing it to operate at higher temperatures.The FMF3WSFRE73-20R is most commonly used in power supplies and motor controllers. It can also be used for other high power applications, such as high voltage regulation or power conversion circuits. The resistor’s design allows it to withstand the high currents and temperatures often encountered in these applications.Because of its versatility, the FMF3WSFRE73-20R is used in many electronic devices. Its compact size and good heat dissipation capabilities make it an ideal choice for applications with limited space or high power requirements. Additionally, its low cost makes it an attractive option for commercial applications.In summary, the FMF3WSFRE73-20R is a through-hole resistor designed for high power applications. It consists of a heat-resistant ceramic body with two silver-plated copper pins that provide the electrical connection. The resistor has a resistance value of 20 ohms, and is rated for a power dissipation of up to 3 watts. It is most commonly used in power supplies and motor controllers, but can also be used for a variety of other high power applications. Its size, low cost, and good heat dissipation capabilities make it an ideal choice for applications with limited space or high power requirements.

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